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Lados, Diana A.
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Multi-Scale Microstructure Predictions and Phase Transformations in Additively Manufactured Ti-6Al-4V Using a Hybrid Mechanistic and Machine Learning Model
Keyword:
phase field
,
microstructure modeling and simulation
,
laser powder bed fusion
,
titanium alloys
,
finite difference-Monte Carlo
, and
in-situ synchrotron X-ray diffraction
Creator:
Whitney, Bonnie
Advisor:
Lados, Diana A.
and
Spangenberger, Anthony
Publisher:
Worcester Polytechnic Institute
Date Created:
2024-04-22
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Understanding Processing-Microstructure-Fatigue Performance Relationships for Defect-Tolerant Design in Laser Powder Bed Fabricated Al-10Si-0.4Mg Alloys
Keyword:
additive manufacturing
,
defect tolerance
,
Al-10Si-0.4Mg
,
Fatigue
,
Fatigue crack growth
, and
laser powder bed
Creator:
Piette, Timothy
Advisor:
Lados, Diana A.
Publisher:
Worcester Polytechnic Institute
Date Created:
2023-06-04
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Defect Characterization and Classification for Metal Additive Manufacturing Process Optimization Using Machine Learning
Keyword:
porosity
,
additive manufacturing
,
machine learning
, and
pore classification
Creator:
Staszewska, Adrianna
Advisor:
Lados, Diana A.
and
Neamtu, Rodica
Publisher:
Worcester Polytechnic Institute
Date Created:
2022-08-11
Resource Type:
Thesis
Degree:
MS
Unit (Department):
Computer Science
Design and Qualification of Wrought and Additively Manufactured 4340 Steels for Fatigue-Critical and Damage-Tolerant Applications
Keyword:
4340 Structural Steels
,
Flaw-Sensitive Fatigue Design
,
Fatigue, Ultrasonic Fatigue, Fatigue Crack Growth
,
Additive Manufacturing
,
Extreme Value Statistics
, and
Defect Quantification
Creator:
Ryder, Matthew
Advisor:
Lados, Diana A.
Publisher:
Worcester Polytechnic Institute
Date Created:
2022-08-23
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Design of Cold Spray Aluminum Alloys for Structural Components, Coatings, and Repairs: Fatigue Mechanisms, Novel Interfacial Evaluations, and Methods for Material/Part Qualification
Keyword:
Fatigue and Ultrasonic Fatigue
,
Interfacial Strength
,
Microstructure and Fractography
,
Coatings and Repair
,
Fatigue Crack Growth
, and
Cold Spray
Creator:
Sample, Christopher
Advisor:
Lados, Diana A.
Publisher:
Worcester Polytechnic Institute
Date Created:
2022-08-22
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Understanding the Material Flow Mechanisms, Microstructure Evolution, and Mechanical Properties in Friction Stir Welding of Dissimilar Metal Alloys
Keyword:
Residual stress and fatigue crack growth
,
Mechanical properties
,
Optimization of friction stirred welds
,
Friction stir welding of dissimilar alloys
,
Material flow mechanisms
, and
Defects and precipitates formation mechanisms
Creator:
Wang, Xiangbin
Advisor:
Lados, Diana A.
Publisher:
Worcester Polytechnic Institute
Date Created:
2021-12-14
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Improving the Fatigue Life of Cylindrical Thread Rolling Dies
Keyword:
Fatigue Life
,
Metal Forming Simulation
,
Thread Rolling Die
,
Thread Rolling
,
Die Stress Analysis
, and
Rolling Contact Fatigue
Creator:
Willens, David C.
Advisor:
Sisson, Richard D.
Publisher:
Worcester Polytechnic Institute
Date Created:
2020-05-14
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Mechanical Engineering
Friction Stir Processing of Aluminum Alloys
Keyword:
composite fabrication
,
Microstructure evolution
,
Aluminum alloys
,
Mechanical Properties
, and
friction stir processing
Creator:
Sun, Ning
Advisor:
Apelian, Diran
Publisher:
Worcester Polytechnic Institute
Date Created:
2012-09-04
Resource Type:
Dissertation
Degree:
PhD
Unit (Department):
Materials Science & Engineering
Development of Aluminum Dross-based Material for Engineering Application
Keyword:
aluminum dross
,
refractory
,
reuse
, and
FSP technique
Creator:
Dai, Chen
Advisor:
Apelian, Diran
Publisher:
Worcester Polytechnic Institute
Date Created:
2012-01-06
Resource Type:
Thesis
Degree:
MS
Unit (Department):
Materials Science & Engineering
Friction Stir Welding in Wrought and Cast Aluminum Alloys: Microstructure, Residual Stress, Fatigue Crack Growth Mechanisms, and Novel Applications
Keyword:
Friction Stir Welding
,
6061-T6
,
Residual Stress Measurement
, and
Fatigue crack growth
Creator:
Chenelle, Brendan F.
Advisor:
Lados, Diana A.
Publisher:
Worcester Polytechnic Institute
Date Created:
2011-01-26
Resource Type:
Thesis
Degree:
MS
Unit (Department):
Mechanical Engineering
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